org.apache.nifi.h2.database.migration

Class DatabaseExporter

java.lang.Object

org.apache.nifi.h2.database.migration.DatabaseExporter

class DatabaseExporter
extends Object

H2 Database Exporter responsible for writing database contents and creating a backup

Field Summary

Fields

Modifier and Type	Field and Description
private static String	BACKUP_DATABASE_FILE_FORMAT
private static String	DATABASE_FILE_FORMAT
private static String	EXPORT_SCRIPT_NAME_FORMAT
private static org.slf4j.Logger	logger
private static String	REPACKAGED_DATABASE_FORMAT
private static String	SCRIPT_TO_FORMAT
private static String	URL_FORMAT

Constructor Summary

Constructors

Constructor and Description
DatabaseExporter()

Method Summary

Modifier and Type	Method and Description
private static void	createDatabaseBackup(Path databaseFilePath)
private static Path	exportDatabaseScript(DatabaseVersion databaseVersion, Path databasePath, String user, String password)
private static Path	getRepackagedDatabasePath(DatabaseVersion databaseVersion, Path databaseFilePath, Path databasePath)
(package private) static Path	runExportBackup(DatabaseVersion databaseVersion, String user, String pass, String databaseLocation) Run database export to script SQL and move database file to backup location

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

URL_FORMAT

private static final String URL_FORMAT

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Constant Field Values

DATABASE_FILE_FORMAT

private static final String DATABASE_FILE_FORMAT

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Constant Field Values

BACKUP_DATABASE_FILE_FORMAT

private static final String BACKUP_DATABASE_FILE_FORMAT

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Constant Field Values

REPACKAGED_DATABASE_FORMAT

private static final String REPACKAGED_DATABASE_FORMAT

See Also:

Constant Field Values

EXPORT_SCRIPT_NAME_FORMAT

private static final String EXPORT_SCRIPT_NAME_FORMAT

See Also:

Constant Field Values

SCRIPT_TO_FORMAT

private static final String SCRIPT_TO_FORMAT

See Also:

Constant Field Values

logger

private static final org.slf4j.Logger logger

Constructor Detail

DatabaseExporter

DatabaseExporter()

Method Detail

runExportBackup

static Path runExportBackup(DatabaseVersion databaseVersion,
                            String user,
                            String pass,
                            String databaseLocation)

Run database export to script SQL and move database file to backup location

Parameters:

databaseVersion - H2 Source Database Version

user - Username

pass - Password

databaseLocation - Absolute Path to Database Location without file extension

Returns:

Exported Database SQL Script Path

getRepackagedDatabasePath

private static Path getRepackagedDatabasePath(DatabaseVersion databaseVersion,
                                              Path databaseFilePath,
                                              Path databasePath)

exportDatabaseScript

private static Path exportDatabaseScript(DatabaseVersion databaseVersion,
                                         Path databasePath,
                                         String user,
                                         String password)

createDatabaseBackup

private static void createDatabaseBackup(Path databaseFilePath)